Transaction not yet indexed

Niw8kwZFMaCwPaqXicHpWbXSs7RJjmMQiDDeYrwZT5Ui2R8879CDLFNRZkTbpTp4usFGMnZJpVmTVYcFt439R8R

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.